#include<stdio.h>
int main()
{
        int a;
        a = 1234;
        printf("%#o ", a);
        printf("%#X", a);

	return 0;
}

#include <stdio.h>

int main() {
  int a, b=0;
    while (scanf_s("%c", &a) != 0)
    
        b = a + 32;
        printf("%C", b);
    
    return 0;
}
#include <stdio.h>

int main() {
    char a, b;
    while (scanf_s("%c", &a) != EOF)
       
    {
        b = 0;
        b = a + 32;
        printf("%c\n", b);
     
    }

    return 0;
}
#include <stdio.h>

int main() {
    char a, b;
    while(scanf_s("%c", &a) != EOF)
        printf("%c\n", a + 32);

    return 0;
}
#include <stdio.h>

int main() {
    char a;
    while (scanf_s("%c", &a) != EOF)
    {
        getchar();
        printf("%c\n", a + 32);
    }

    return 0;
}